Can I get a work visa without a job offer?

A short answer is No.

Unfortunately, you can't apply for a work visa without a job offer. Your prospective employer must be willing to sponsor you for the visa and petition on your behalf.

VisaLex cannot provide job board services or career consulting but will be happy to assist your prospective employer with the visa application process once you get the job offer.

Read more:

What is a legal way to start working in the United States?